Huaqiangbei, the world’s largest electronics wholesale market area in the Chinese technology hub of Shenzhen, has become the latest Wonderland for geeks, the way Tokyo’s Akihabara was to otaku during the tech bubble at the turn of the millennium. Amid the warren of closet-sized shops and makeshift stalls, the latest catalogue of smartphones, LED lights, holograms, electronic parts and every type of gadget imaginable compete for attention and the spending yuan of consumers.

Shenzhen has become an international hotspot for the unmanned aerial vehicle industry, following the global success of drone giant DJI.